Soo Coop Credit Union is very good at the Sault Ste. Marie branches but the Brimley branch is horrible. I give A grade for all of the Sault branches but the Brimley branch gets an F . I never seen a bank … Soo Coop Credit Union is very good at the Sault Ste. Marie branches but the Brimley branch is horrible. I give A grade for all of the Sault branches but the Brimley branch gets an F . I never...